Table 5.

BNP in the diagnosis of PPHN.

References	n	Age	BNP cutoff value (pg/ml)	Sensitivity (%)	Specificity (%)
Reynolds et al. (97)	47	<24 h	550	83%	100%
Lewis (98)	60	<22 h	–	–	–
Avitabile et al. (99)	128	<24 h	130	50%	92%
Kandasamy (100)	25	–	117	94%	100%